pub trait GtkListStoreExt: IsA<ListStore> + Sealed + 'static {
// Provided methods
fn append(&self) -> TreeIter { ... }
fn clear(&self) { ... }
fn insert(&self, position: i32) -> TreeIter { ... }
fn insert_after(&self, sibling: Option<&TreeIter>) -> TreeIter { ... }
fn insert_before(&self, sibling: Option<&TreeIter>) -> TreeIter { ... }
fn iter_is_valid(&self, iter: &TreeIter) -> bool { ... }
fn move_after(&self, iter: &TreeIter, position: Option<&TreeIter>) { ... }
fn move_before(&self, iter: &TreeIter, position: Option<&TreeIter>) { ... }
fn prepend(&self) -> TreeIter { ... }
fn remove(&self, iter: &TreeIter) -> bool { ... }
fn swap(&self, a: &TreeIter, b: &TreeIter) { ... }
}